A thin rod of mass 0.9kg and length 1m is suspended, at rest, from one end so that it can freely oscillate in the vertical plane. A particle of move 0.1kg moving in a straight line with velocity 80m/s hits the rod at its bottom most point and sticks to it (see figure). The angular speed (in rad/s) of the rodimmediately after the collision will be
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20 JEE Main 2020
Angular momentum will remain conserved about pivotal point
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